Knoxville Weather Forecast

    • 55
    • 72

    Chance Rain Showers

    • 70
    • 77

    Rain Showers Likely

    • 62
    • 83

    Rain Showers

    • 66
    • 77

    Rain Showers Likely

    • 64
    • 82

    Chance Rain Showers

    • 60
    • 78

    Chance Rain Showers

Today 13 Sep Knox

Partly sunny late this Morning, then mostly cloudy with scattered Showers with isolated Thunderstorms this afternoon. Cooler with Highs in the lower 70s. North Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 13 Sep Knox

Mostly cloudy with isolated Showers in the Evening, then partly cloudy after midnight. Lows in the mid 50s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knoxville Temperature Statistics

September Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 11 September, 2026

    58.8 °F

  • Average September

    76.3 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
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